When determining the type of emulsion to use for your screen prints. There are a couple questions that can help narrow down the answer. What type of ink is the first question. Photo polymer emulsion is only for plastisol ink, and if you try using water based ink with photo polymer then your emulsion is going to break down quickly and the your stencil will be ruined.
Ecotex® Beginner Screen Printing Emulsion (8 oz.) - Pre-Sensitized Ready to Use Photo Emulsion for Silk Screens and Fabric - for Plastisol Ink and Water Based Ink, Screen Printing Supplies
Screen Printing Tutorial
Photo-emulsion Screen Printing : 7 Steps (with Pictures) - Instructables
Photo-emulsion Screen Printing : 7 Steps (with Pictures) - Instructables
How to Coat a Screen for Screen Printing with emulsion. Step by step tutorial for beginners and pros
Choosing Emulsion for Screen Printing Textiles – Learn How To Screen Print
CHOOSING THE RIGHT EMULSION– Tech Support Screen Printing Supplies
Choosing the Right Emulsion: A Screen Printer's Guide
Screen Printing Tutorial
CHOOSING THE RIGHT EMULSION– Tech Support Screen Printing Supplies
Free Print Advice, Screen Printing Supplies
Which Emulsion is Right for Me?
Screen Printing with Photo Emulsion Sheets
CHOOSING THE RIGHT EMULSION– Tech Support Screen Printing Supplies